My iPhone 3gs does not connect to my Wi-Fi connection at home?

I want to unlock the phone. I have made a lot of research over the internet. And i have found an easy one. But when i try to enter my Wi-Fi network with the WEP code, my phone displays a message stating that it can't connect to the network. I have tried many times again and again with both uppercase and lowercase.

Your WEP code is your internet security code, If your internet is locked then that's where you enter your password. Try it I might be wrong but I'm pretty sure that should work.

WEP code means it needs your internet security code.enter internet security code password and check the settings i'm sure your iPhone 3g connect to internet.

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